DDHJ is an acronym for Double Down Hand Job. Its when someone eats a Double Down sandwich from KFC and then jacks you off with their hands which are full of grease from the Double Down.
Brett: So how was your day today?

Steve: Pretty great, me and Rachel went to KFC and she gave me a DDHJ in the parking lot after we finished.
by scrud May 16, 2010
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